04-01-2018 дата публикации
Номер: US20180002397A1
Принадлежит:
Provided herein are chimeric antigen receptors (CARs) for cancer therapy, and more particularly, CARs containing a scFv from a CD33 monoclonal antibody. Provided are immune effector cells containing such CARs, and methods of treating proliferative disorders such as acute myeloid leukemia (AML), and relapsed or refractory AML. 113.-. (canceled)14. A vector comprising a backbone and a nucleic acid sequence encoding:(1) a truncated epidermal growth factor receptor comprising at least one of HER1t, HER1t-1 or a functional variant thereof; and (a) a CD33 antigen binding domain;', '(b) a stalk domain;', '(c) a transmembrane domain;', '(d) a costimulatory signaling domain comprising 4-1BB or CD28, or both; and', '(e) a CD3 zeta signaling domain., '(2) a chimeric antigen receptor (CAR), wherein the CAR comprises'}15. (canceled)16. The vector of claim 14 , wherein the vector is a lentivirus vector claim 14 , a retroviral vector claim 14 , or a non-viral vector.17. The vector of claim 14 , wherein the truncated epidermal growth factor receptor comprises a polypeptide having at least 90% claim 14 , 91% claim 14 , 92% claim 14 , 93% claim 14 , 94% claim 14 , 95% claim 14 , 96% claim 14 , 97% claim 14 , 98% claim 14 , 99% or 100% identity with the amino acid sequence of SEQ ID NO:32 or SEQ ID NO: 54.1823.-. (canceled)24. The vector of claim 14 , wherein the CD33 antigen binding domain comprises at least one of:(a) a polypeptide having at least 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% identity with the amino acid sequence of SEQ ID NO:8 (hM195scFv);(b) a polypeptide having at least 900/%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99°/or 100% identity with the amino acid sequence of SEQ ID NOs:9 and 10 (M2H12);(c) a polypeptide having at least 900%, 91%, 92%, 93%, 94%, 95%, 96%, 97°/%, 98%, 99%0 or 100% identity with the amino acid sequence of SEQ ID NOs:11 and 12 (DRB2); and(d) a polypeptide having at least 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% ...
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